3702001681 has 8 divisors (see below), whose sum is σ = 4233501440. Its totient is φ = 3171162528.

The previous prime is 3702001649. The next prime is 3702001703. The reversal of 3702001681 is 1861002073.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3702001681 - 2⁵ = 3702001649 is a prime.

It is a super-2 number, since 2×3702001681² = 27409632892253651522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3702001601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153081 + ... + 175606.

It is an arithmetic number, because the mean of its divisors is an integer number (529187680).

Almost surely, 2^3702001681 is an apocalyptic number.

It is an amenable number.

3702001681 is a deficient number, since it is larger than the sum of its proper divisors (531499759).

3702001681 is a wasteful number, since it uses less digits than its factorization.

3702001681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330303.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 3702001681 is about 60844.0767947053. The cubic root of 3702001681 is about 1546.9592388698.

The spelling of 3702001681 in words is "three billion, seven hundred two million, one thousand, six hundred eighty-one".